Low-oxygen 'dead zones' in North Pacific linked to past ocean-warming events

Low-oxygen 'dead zones' in North Pacific linked to past ocean-warming events Corvallis OR (SPX) Nov 25, 2015 - A new study has found a link between abrupt ocean warming at the end of the last ice age and the sudden onset of low-oxygen, or hypoxic conditions that led to vast marine dead zones. Results of the study, which was funded by the National Science Foundation, are being published this week in the journal Nature. Large-scale warming events about 14,700 and again 11,500 years ago occurr ... more http://www.terradaily.com/reports/Low_oxygen_dead_zones_in_North_Pacific_linked_to_past_ocean_warming_events_999.html